package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import com.sky.service.ShoppingCartService;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 动态条件查询
     * @param shoppingCart
     * @return
     */
      List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     * @param shoppingCart
     */
    @Update("update  sky_take_out.shopping_cart set number=#{number} where id=#{id}")
      void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 插入购物车数据
     * @param shoppingcart
     */
    @Insert("insert into sky_take_out.shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time) "+
            "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingcart);
    /**
     * 清空购物车数据
     * @param userId
     */
    @Delete("delete  from sky_take_out.shopping_cart where user_id=#{userId}")
    void deleteByUserId(Long userId);
    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
